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J3H145 Javacard Smartcard - BUY J3H145 Javacard Smartcard for hardware wallets, cryptocurrency applications, authentication, password management, and other compatible smartcard solutions.

J3H145 Javacard Smartcard – BUY J3H145 Javacard Smartcard – hardware wallets, secure storage, authentication, cryptocurrency, and smartcard-based security projects.

J3H145 Javacard Smartcard

User programmable smartcard. Add discrete, low cost, secure element backed storage to your smartcard-based security projects for programming hardware wallets, secure storage, authentication, cryptocurrency.

  • Pre-Loaded Applets: None / Specter-DIY
  • Size: Credit Card (Default), SIM (Hand Cut)
  • Price: Rs.680/-
  • Order: Buy J3H145 Javacard Smartcard
  • SKU: J3H145-RSA4096
  • Category: DIY Self Custody (Hardware Wallets), Satochip, SeedSigner, Specter DIY
  • Tags: Javacard, NFC, Smartcard
  • Satochip (Bitcoin, Ethereum, Litecoin Hardware Wallet)
  • Seedkeeper (Password Manager)
  • Satodime (Cryptocurrency bearer card)
  • Specter DIY (Bitcoin DIY Hardware Wallet)
  • Vivokey OTP (TOTP, compatible with Yubico authenticator)
  • SmartPGP (OpenGPG)
  • Status KeyCard (Ethereum Hardware Wallet)
  • Use Case: hardware wallets, cryptocurrency applications, authentication, password management, and other compatible smartcard solutions.

J3H145 Javacard Smartcard Crypto

J3H145 Javacard Smartcard – BUY J3H145 Javacard Smartcard

J3H145 Javacard Smartcard Crypto is a user-programmable NXP Java Card designed for DIY self-custody, hardware wallets, authentication, password management, and secure storage applications. This dual-interface smartcard supports both contact and NFC communication and provides secure-element-backed storage for compatible projects.

Buy J3H145 Javacard Smartcard Crypto

Looking to Buy J3H145 Javacard Smartcard Crypto for a DIY security or cryptocurrency project? The NXP J3H145 Java Card provides a flexible, low-cost platform for developers and users who need programmable smartcard functionality with contact and contactless NFC interfaces.

The card comes unlocked and is compatible with Java Card OS 3.0.4. It can be programmed and used with a compatible smartcard reader, including USB contact readers or contactless NFC readers.

J3H145 Javacard Smartcard Crypto Features

  • User-programmable Java Card for DIY security and self-custody applications
  • NXP J3H145 smartcard with secure-element-backed storage
  • Dual interface: Contact + NFC
  • Compatible with Java Card OS 3.0.4
  • Card supplied unlocked for programming
  • Suitable for DIY hardware wallets and cryptocurrency applications
  • Supports compatible authentication, password management, and OpenPGP applications
  • Credit-card size by default
  • SIM-size format available by hand cutting
  • No pre-loaded applets, with Specter-DIY option available

NXP J3H145 Java Card Compatibility

The J3H145 Javacard Smartcard Crypto can be used with compatible DIY self-custody and security applications. Supported projects and applications include:

Satochip

Compatible with Satochip for Bitcoin, Ethereum, and Litecoin hardware wallet applications.

Seedkeeper

Suitable for Seedkeeper password manager applications where secure smartcard-backed storage is required.

Satodime

Compatible with Satodime cryptocurrency bearer card applications.

Specter DIY

Can be used with Specter DIY Bitcoin hardware wallet projects.

Vivokey OTP

Supports compatible TOTP applications, including compatibility with Yubico Authenticator.

SmartPGP

Suitable for SmartPGP and OpenPGP-based smartcard applications.

Status KeyCard

Compatible with Status KeyCard Ethereum hardware wallet applications.

J3H145 Smartcard Programming

Programming the J3H145 Java Card with a PC requires a compatible smartcard reader. Contact programming can be performed using a USB smartcard reader, while contactless applications can use a compatible NFC reader.

The programmable architecture makes the J3H145 Javacard Smartcard Crypto suitable for developers working on DIY hardware wallets, secure storage, authentication, cryptocurrency, and smartcard-based security projects.

J3H145 Javacard Smartcard Specifications

SpecificationDetails
ProductJ3H145 Javacard Smartcard Crypto
SKUJ3H145-RSA4096
Card TypeNXP J3H145 Java Card
InterfaceContact + NFC
Java Card OS3.0.4
Pre-Loaded AppletsNone / Specter-DIY
SizeCredit Card (Default), SIM (Hand Cut)
Weight0.007 kg
Dimensions86 × 54 × 0.6 cm
Country of OriginCN
HS Code8523.52.00
PriceRs. 680/-

J3H145 Java Card for DIY Security Projects

The J3H145 Javacard Smartcard Crypto combines programmable Java Card technology, secure-element-backed storage, and dual contact/NFC interfaces in a standard credit-card format. It is designed for DIY self-custody projects, hardware wallets, cryptocurrency applications, authentication, password management, and other compatible smartcard solutions.

When ordering smartcards only, economical worldwide letter-mail shipping may be available.

Buy J3H145 Javacard Smartcard